User mobility in IEEE 802.11 networks
Henning G. Schulzrinne · 2006
We observed wireless network traffic at the 65th IETF Meeting in Dallas, Texas in March of 2006, attended by approximately 1200 engineers. We observed distinct differences among client implementations and saw a number of factors that made the overall system less than optimal, pointing to the need for better design tools and automated adaptation mechanisms.In order to solve many of the problems encountered in the IETF measurements and many other issues such as Layer 2 (L2) and Layer 3 (L3) handoffs, critical for real-time applications, we propose a novel approach, namely Cooperative Roaming (CR), in which mobile nodes (MNs) can collaborate with each other and share useful information about the network in which they move.